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Finding the Fourth Proportional to 416,015.57, 624,116.91 and 131,723.12

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Solution

The fourth proportional to 416,015.57, 624,116.91 and 131,723.12 is: 197,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,015.57 : 624,116.91 = 131,723.12 : x
  2. Step 2: Convert to fraction form
    416,015.57/624,116.91 = 131,723.12/x
  3. Step 3: Cross multiply
    416,015.57x = 624,116.91 × 131,723.12
  4. Step 4: Simplify right side
    416,015.57x = 82,210,626,629.96
  5. Step 5: Solve for x
    x = 82,210,626,629.96/416,015.57
  6. Step 6: Final answer
    x = 197,614.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.